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According to Bohr's theory of the hydrog...

According to Bohr's theory of the hydrogen atom, the radii of stationary electron orbits are related to the principal quantum number `n` as :

A

`r_(n)propto1//n^(2)`

B

`r_(n)propto1//n`

C

`r_(n)propton`

D

`r_(n)propton^(2)`

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